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<div class="titlepage"><div><div><h2 class="title" style="clear: both">
<a name="fusion.organization"></a><a class="link" href="organization.html" title="Organization">Organization</a>
</h2></div></div></div>
<p>
      The library is organized into layers of modules, with each module addressing
      a particular area of responsibility. A module may not depend on modules in
      higher layers.
    </p>
<p>
      The library is organized in three layers:
    </p>
<h4>
<a name="fusion.organization.h0"></a>
      <span class="phrase"><a name="fusion.organization.layers"></a></span><a class="link" href="organization.html#fusion.organization.layers">Layers</a>
    </h4>
<div class="blockquote"><blockquote class="blockquote"><p>
        <span class="inlinemediaobject"><img src="../images/fusion_org.png" alt="fusion_org"></span>
      </p></blockquote></div>
<p>
      The entire library is found in the <code class="computeroutput"><span class="string">"boost/fusion"</span></code>
      directory. Modules are organized in directories. Each module has its own header
      file placed in the same directory with the actual module-directory. For example,
      there exists <code class="computeroutput"><span class="string">"boost/fusion/support.hpp"</span></code>
      in the same directory as "boost/fusion/support". Everything, except
      those found inside "detail" directories, is public.
    </p>
<p>
      There is also a <code class="computeroutput"><span class="string">"boost/fusion/include/"</span></code>
      directory that contains all the headers to all the components and modules.
      If you are unsure where to find a specific component or module, or don't want
      to fuss with hierarchy and nesting, use this.
    </p>
<p>
      The library is header-only. There is no need to build object files to link
      against.
    </p>
<h4>
<a name="fusion.organization.h1"></a>
      <span class="phrase"><a name="fusion.organization.directory"></a></span><a class="link" href="organization.html#fusion.organization.directory">Directory</a>
    </h4>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
          tuple
        </li>
<li class="listitem">
          algorithm
          <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: circle; ">
<li class="listitem">
                auxiliary
              </li>
<li class="listitem">
                iteration
              </li>
<li class="listitem">
                query
              </li>
<li class="listitem">
                transformation
              </li>
</ul></div>
        </li>
<li class="listitem">
          adapted
          <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: circle; ">
<li class="listitem">
                adt
              </li>
<li class="listitem">
                array
              </li>
<li class="listitem">
                boost::array
              </li>
<li class="listitem">
                boost::tuple
              </li>
<li class="listitem">
                mpl
              </li>
<li class="listitem">
                std_pair
              </li>
<li class="listitem">
                std_tuple
              </li>
<li class="listitem">
                struct
              </li>
</ul></div>
        </li>
<li class="listitem">
          view
          <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: circle; ">
<li class="listitem">
                filter_view
              </li>
<li class="listitem">
                flatten_view
              </li>
<li class="listitem">
                iterator_range
              </li>
<li class="listitem">
                joint_view
              </li>
<li class="listitem">
                nview
              </li>
<li class="listitem">
                repetitive_view
              </li>
<li class="listitem">
                reverse_view
              </li>
<li class="listitem">
                single_view
              </li>
<li class="listitem">
                transform_view
              </li>
<li class="listitem">
                zip_view
              </li>
</ul></div>
        </li>
<li class="listitem">
          container
          <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: circle; ">
<li class="listitem">
                deque
              </li>
<li class="listitem">
                list
              </li>
<li class="listitem">
                map
              </li>
<li class="listitem">
                set
              </li>
<li class="listitem">
                vector
              </li>
<li class="listitem">
                generation
              </li>
</ul></div>
        </li>
<li class="listitem">
          mpl
        </li>
<li class="listitem">
          functional
          <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: circle; ">
<li class="listitem">
                adapter
              </li>
<li class="listitem">
                generation
              </li>
<li class="listitem">
                invocation
              </li>
</ul></div>
        </li>
<li class="listitem">
          sequence
          <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: circle; ">
<li class="listitem">
                comparison
              </li>
<li class="listitem">
                intrinsic
              </li>
<li class="listitem">
                io
              </li>
</ul></div>
        </li>
<li class="listitem">
          iterator
        </li>
<li class="listitem">
          support
        </li>
</ul></div>
<h4>
<a name="fusion.organization.h2"></a>
      <span class="phrase"><a name="fusion.organization.example"></a></span><a class="link" href="organization.html#fusion.organization.example">Example</a>
    </h4>
<p>
      If, for example, you want to use <code class="computeroutput"><span class="identifier">list</span></code>,
      depending on the granularity that you desire, you may do so by including one
      of
    </p>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">container</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">container</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">container</span><span class="special">/</span><span class="identifier">list</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">list</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<p>
      The first includes all containers The second includes only <code class="computeroutput"><span class="identifier">list</span></code>
      <a href="#ftn.fusion.organization.f0" class="footnote" name="fusion.organization.f0"><sup class="footnote">[4]</sup></a>.
    </p>
<div class="footnotes">
<br><hr style="width:100; text-align:left;margin-left: 0">
<div id="ftn.fusion.organization.f0" class="footnote"><p><a href="#fusion.organization.f0" class="para"><sup class="para">[4] </sup></a>
        Modules may contain smaller components. Header file information for each
        component will be provided as part of the component's documentation.
      </p></div>
</div>
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      Dan Marsden, Tobias Schwinger<p>
        Distributed under the Boost Software License, Version 1.0. (See accompanying
        file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
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